[svn-r3172] Updated IBM SP installation steps, hopefully simpler to follow.

INSTALL_parallel

@@ -26,13 +26,46 @@ configure for a few machines we tested.  If your particular platform
 is not shown or somehow the steps do not work for yours, please go
 to the next section for more detail explanations.
 
-IBM SP2: follow the instructions in bin/config_para_ibm_sp.sh.
+------
+TFLOPS
+------
+follow the instuctions in INSTALL_TFLOPS.
 
-TFLOPS: follow the instuctions in INSTALL_TFLOPS.
+-------
+IBM SP2
+-------
+First of all, make sure your environment variables are set correctly
+to compile and execute single process mpi applications for the SP2
+machine.  They should be the same or comparable to the following.
 
-SGI Origin 2000:
-Cray T3E:
+    setenv CC              mpcc_r
+    setenv MP_PROCS         1
+    setenv MP_NODES         1
+    setenv MP_LABELIO       no
+    setenv MP_RMPOOL        0
+    setenv RUNPARALLEL      "MP_PROCS=2 MP_TASKS_PER_NODE=2 poe"
+    setenv LLNL_COMPILE_SINGLE_THREADED TRUE
+
+The shared library configuration for this version is broken.
+So, only static library is supported.
+An error for powerpc-ibm-aix4.3.2.0 (LLNL Blue) about install method
+is discovered after code freeze.  You need to remove the following
+line from config/powerpc-ibm-aix4.3.2.0 before configuration.
+    ac_cv_path_install=${ac_cv_path_install='cp -r'}
+
+Then do the following steps:
+
+./configure --disable-shared --prefix=<install-directory>
+make		# build the library
+make check	# verify the correctness
+make install
+
+
+---------------
+SGI Origin 2000
+Cray T3E
 (where MPI-IO is part of system MPI library such as mpt 1.3)
+---------------
 
 #!/bin/sh
 
@@ -46,10 +79,12 @@ make check
 make install
 
 
-SGI Origin 2000:
-Cray T3E:
+---------------
+SGI Origin 2000
+Cray T3E
 (where MPI-IO is not part of system MPI library or I want to
 use my own version of MPIO)
+---------------
 
 
 mpi1_inc=""                                     #mpi-1 include